Using the Toolbox > The Adjustments Pane > Expanding the Adjustments Pane Tools > Overview of the Adjustments Pane Features
You can use the zoom to magnify an image, and when you have zoomed in, you can then pan to view different parts of the magnified image.
To use the zoom function, follow these steps:
In the Adjustments pane in the tool box, click .
In the Mouse settings, click Zoom.
Click in a view screen and scroll your mouse wheel.
The image is magnified as you scroll the mouse wheel.
To pan, right-click and drag in the view screen to different parts of the image.